Rohs compliant Magnetic transducer 16*14mm, 2048Hz, 85dB, PCB mounted TypeUnitEMT-1601AEMT-1606AEMT- ... Current (Max) mA184040* Min sound output at 10cm dB808585 Coil Resistance Ω 27±350±5115±12* Resonant Frequency Hz2048 Operating Temperature -20 ... at Rated Voltage (resonant frequency, 1/2 duty, square wave) Magnetic transducer (EMT-1606A)